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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    amazingalek

    16,341
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    15,831
    🥇1
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    🥈0
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    ⛳

    33 / 123 Holes

    🔣

    12 / 62 Langs

    🏆

    18 / 99 Cheevos

    📅

    Card Number Validation in C# in Chars Play Hole

    24th in C# and 728th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    159 159
    186 186
    194 194
    208 208
    239 239
    241 241
    248 248
    262 262
    286 286
    292 292
    297 297
    327 327
    335 335
    341 341
    386 386